A major report released last week, referencing more than 6000 scientific studies, stated drastic changes are needed in global society to prevent world temperatures from rising by two degrees Celsius.

The Coalition Government says it will not renew or replace the Renewable Energy Target when it lapses in 2020.

Mr Bandt's claim comes on the same day as former Deputy Prime Minister Barnaby Joyce declared the expected $4.5 billion cost for the Snowy 2.0 scheme would be better off used on funding new coal-fired power stations.